US Bridges

Louisiana Avenue over Copper Mine Brook

Good

Hartford County, Connecticut · 200 FR JCT Brook Street · Structure no. 04480

Built
2021
4 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
4,763
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Louisiana Avenue over Copper Mine Brook is a prestressed concrete slab carrying Louisiana Avenue over Copper Mine Brook in Hartford County, Connecticut. It was built in 2021, so it is 4 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,763 vehicles a day, roughly 2% of them trucks, projected to reach 7,077 by 2043. The structure is 54 ft (16.4 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLouisiana Avenue
CrossesCopper Mine Brook
Location200 FR JCT Brook Street
RouteCity Street 0
CountyHartford County
StateConnecticut
Coordinates41.68972, -72.91378
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating84.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length54 ft (16.4 m)
Longest span50 ft (15.1 m)
Deck width52 ft (15.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,763 (2023)
Projected traffic7,077 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Louisiana Avenue over Copper Mine Brook built?

It was built in 2021, making it 4 years old in 2025.

What condition is Louisiana Avenue over Copper Mine Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Louisiana Avenue over Copper Mine Brook carry?

About 4,763 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Louisiana Avenue over Copper Mine Brook?

The structure is 54 ft (16.4 m) long with a longest span of 50 ft (15.1 m) and a deck 52 ft wide.

Who owns Louisiana Avenue over Copper Mine Brook?

It is owned by the City or Municipal Highway Agency.